CN101285086B - Feather products, processing technology and use thereof - Google Patents
Feather products, processing technology and use thereof Download PDFInfo
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Abstract
The invention discloses a feature product and a processing technology thereof. The invention is characterized in that: activated H bacteria is used to ferment pure features or fresh blood features, and then the pure features or fresh blood features are enzymolyzed and dehydrated, and then are anaerobically fermented with composite microorganism to produce a finished product. The feature product produced by the processing technology of the invention apparently improves content of necessary amino acid such as methionine, lysine and so on, and increases the utilization rate of amino acid in feature protein. Particularly the fresh blood feature product balances the amino acid structure thereof and improves the quality of the leather product. In view of a detection index or a cultivation experiment result, the processing technology can both reduce the cost of feedstuff and cultivation production, and increase the utilization rate of the protein in the feathers.
Description
Affiliated technical field
The present invention relates to a kind of feather products, especially a kind of feather products and complete processing thereof through the processing of methods such as composite, enzymolysis, fermentation.
Background technology
Modern farming is quite flourishing, thereby also association goes out a large amount of refuses and needs to handle, and wherein some is feather and the hair of animal.Though the hair feather of native state can not can make feather meal through processing treatment directly by animal digestion, has been used as a kind of animal protein feed applications in animal-feed.
Feather meal is by hair, feather and takes out the remaining feather stem of suede and process from strand.The feather meal protein contnt is generally at 80%-86%; The content of the Gelucystine in the sulfur-containing amino acid is 2.93%; Shelter has first of the natural feed; The content of Xie Ansuan, leucine, Isoleucine is about 7.23%, 6.78%, 4.21% respectively, is higher than other animal proteins, but the content of Methionin, methionine(Met) and tryptophane lacks relatively.In the albumen 85%～90%, keratin protein; Be β-spirane structure, its side interchain interlinkage has been reinforced this structure, belongs to the scleroprotein class; (S-S-) link to each other by cystine linkage between peptide and the peptide in its structure with the sulphur hydrogen bond; Have very big stability, poultry, fowl body endoenzyme can't decompose basically, therefore not treated feather meal digestibility low (30%-32%).
At present, existing several methods is used to opening angle protein molecular interchain hydrogen bond, as coming the hydrolysis feather increasing its utilizability with steam and certain pressure, and handle with strong acid and strong base, but effect is limited.The patent No. is 02156489.2 and is called the Chinese invention patent of " a kind of processing and treating method of feather meal "; A kind of feather meal processing and treating method that utilizes oxidation reduction process to open keratinous protein molecule interchain hydrogen bond in the feather meal is disclosed; Its with weakly alkaline and slightly acidic salt as redox agent; Yeast is as catalyzer; Hydrogen and sulphur generation redox replacement(metathesis)reaction with on the keratoprotein molecule interchain disulfide linkage in the feather meal are cracked disulfide linkage, and then through Puffing machine processing treatment feather meal.Done certain effect like this, but not can solve that the feather meal protein quality is poor, problem such as amino acid imbalance and utilization ratio are low, also have peculiar smell usually, influence palatability.Simultaneously, introduced industrial chemicals such as soda acid in the course of processing, the soda acid that remains in the product can produce injury to the stomach of animal, also can cause new pollution to environment.
Therefore, adopt which kind of method how to handle feather,, improve feather protein matter utilization ratio, improve its palatability, reduce the fodder prodn cost, just become the problem that people widely pay close attention to so that improve feather quality, removal stench.
Summary of the invention
Technical problem to be solved by this invention provides a kind of feather complete processing and goods thereof, to improve the gastric pepsin digestion rate of feather, regulates its amino acid balance, improves proteinic quality and utilization ratio in the feather, improves palatability, reduces the fodder prodn cost.
For solving the problems of the technologies described above, feather products complete processing of the present invention, its technical scheme of taking is: with activatory H bacterium fermentation blood feather, through enzymolysis, hydrolysis treatment, with the complex microorganism anaerobically fermenting, make finished product again.
Above-mentioned feather products complete processing is characterized in that: said blood feather, be suitable proportion blood and feather mixture or have the feather of blood.
Said feather products complete processing, it comprises the following steps:
A, the activation of H bacterium:, add water to water cut 45%, aerobic fermentation 2 days with wheat bran, hydrolyzed feather meal and H bacterium mixing in proportion.
B, the fermentation of H bacterium: evenly add a last step gained raw material in the blood feather of 1500 times of H bacterium weight, bank up and carried out fungi degradation in 3 days.
C, feather that above-mentioned fungi degradation is good are transported in the hydrolytic decomposition pot; Feeding intake adds reductive agent after making an appointment with half, adds the prozyme protoenzyme again, and reductive agent, prozyme protoenzyme are identical with the weight of H bacterium among the step a; Earlier enzymolysis 40 minutes under 40-45 ℃ of temperature was warming up to 125 ℃ then in 15-25 minute, and 2.5 normal atmosphere keep after 20 minutes rapid depressurization; Be incubated 100 ℃ of oven dry, moisture discharging when 40% left and right sides.
After d, the discharging, treat that temperature drops to below 50 ℃, add the complex microorganism of 0.5% weight part, mix and regulate about moisture to 45%; Under 20-30 ℃ of temperature anaerobically fermenting 4-7 days, dry then or dry.
Above-mentioned feather products complete processing, the weight ratio of wheat bran, hydrolyzed feather meal and H bacterium is 20: 10: 1 in its a step.
Above-mentioned feather products complete processing, blood feather described in its b step, its blood is identical with the weight of feather.
Above-mentioned feather products complete processing also can be used for pure feather is processed, and promptly replaces the blood feather to make raw material with pure feather, and all the other materials and production technique are all identical.
A kind of feather products make with above-mentioned process method.
Above-mentioned feather products are applied to make animal-feed.
Above-mentioned feather products are used for the Penaeus vannamei of feeding.
Above-mentioned feather products are used for the carp of feeding.
The present invention adopts the method for enzymolysis, fermentation to handle feather, and with bright feather and blood reasonable compatibility, all the other indispensable amino acids all can obtain nutrition complement except that methionine(Met); It can improve the feather meal quality, removes the stench of feather meal, improves palatability; Test-results shows: complete processing according to the invention and use the feather products of this explained hereafter; Can improve the gastric pepsin digestion rate of feather, regulate amino acid balance, improve proteinic quality and utilization ratio in the feather; Increase economic efficiency, reduce the fodder prodn cost.Adopt complete processing of the present invention to handle the product that obtains, can be widely used in the various animal-feeds, especially be used for Penaeus vannamei and the carp fed, have good social benefit and economic benefit.
Equipment used in the present invention is the usual equipment that uses of the industry.
The source of raw material involved in the present invention
1, feather, blood, hydrolyzed feather meal, the blood feather, feather meal factory provides by the Pingyi, Shandong, and is commercially available.
2, wheat bran, H bacterium (2 * 10
10Strain/gram), and the prozyme protoenzyme (zytase>=100000U/g, aspartic protease>=4000U/g), and reductive agent (Sodium Pyrosulfite), complex microorganism (trade(brand)name: give birth in green source) provides with the agriculture and animal husbandry Technology Park by six, and is commercially available.
Complete processing summary according to the invention
With activatory H bacterium elder generation's ferment feather or blood feather, through enzymolysis, hydrolysis is again with the complex microorganism anaerobically fermenting.Work flow can be expressed as: actication of culture → feather fungi degradation → add blood mixed enzymolysis → boiling → hydrolysis → enzymolysis → airing → anaerobically fermenting → airing → dry → sieve → check → qualified → packing → finished product.
Check that the present invention relates to or measuring method
1, digestibility is measured
Measure with reference to GB/T17811-1999 Pepsin enzyme process.
2, amino acid composition is measured
Measure by China Agricultural University forage analysis center.
3, feather products are to the influence of Penaeus vannamei growth performance
Fermentation blood feather meal with 5% substitutes the globulin powder of equivalent and compound powder (weight part is 2: the 3) Penaeus vannamei of feeding of hydrolyzed feather meal, and test was carried out 39 days altogether.
Embodiment
Below in conjunction with accompanying drawing and embodiment to further explain of the present invention.
Fig. 1 is the influence of different treatment method to the feather digestibility;
Fig. 2 is the influence of different treatment method to feather meal methionine(Met) and lysine content.
1, use the 40kg wheat bran, the 20kg hydrolyzed feather meal adds 2kgH bacterium (2 * 10
10Strain/gram) mixing adds water to water cut 45%, aerobic fermentation 2 days, activation H bacterium.
2, evenly add the good H bacterium of above-mentioned activation in 1500kg feather and the 1500kg blood, jar outer banking up carried out fungi degradation in 3 days.
3, feather that above-mentioned fungi degradation is good is transported in the hydrolytic decomposition pot; Feeding intake adds reductive agent 2kg after making an appointment with half, adds prozyme protoenzyme 2kg again; Earlier enzymolysis 40 minutes under 40 ℃ of temperature is warming up to 125 ℃ with 25 fens clock times then, 2.5 normal atmosphere maintenances 20 minutes, rapid depressurization then; Be incubated 100 ℃ of oven dry discharging in 2 hours, this moment, moisture was about 40%.
4, after the discharging, treat that temperature drops to below 50 ℃, add the green source life of 0.5% complex microorganism and mix and regulate about moisture to 45% that anaerobically fermenting is 4 days under 30 ℃ of temperature, dry then or dry.
1, use the 20kg wheat bran, the 10kg hydrolyzed feather meal adds 1kgH bacterium mixing, adds water to water cut 45%, aerobic fermentation 2 days, activation H bacterium.
2, evenly add the good H bacterium of activation in 750kg feather and the 750kg blood, jar outer banking up carried out fungi degradation in 3 days.
3, feather that fungi degradation is good is transported in the hydrolytic decomposition pot; Feeding intake adds reductive agent 1kg after making an appointment with half, adds prozyme protoenzyme 1kg again; Earlier enzymolysis 40 minutes under 43 ℃ of temperature is warming up to 125 ℃ then about 20 minutes, and 2.5 normal atmosphere kept 20 minutes, then rapid depressurization; Be incubated 100 ℃ of oven dry discharging in 2 hours, this moment, moisture was about 40%.
4, after the discharging, treat that temperature drops to below 50 ℃, add the green source life of 0.5% complex microorganism and mix and regulate about moisture to 45% that anaerobically fermenting is 5 days under 25 ℃ of temperature, dry then or dry.
1, use the 40kg wheat bran, the 20kg hydrolyzed feather meal adds 2kgH bacterium (2 * 10
10Hundred million/g) mixings add water to water cut 45%, aerobic fermentation 2 days, activation H bacterium.
2, evenly add the good H bacterium of above-mentioned activation in 1500kg feather and the 1500kg blood, jar outer banking up carried out fungi degradation in 3 days.
3, feather that above-mentioned fungi degradation is good is transported in the hydrolytic decomposition pot; Feeding intake adds reductive agent 2kg after making an appointment with half, adds prozyme protoenzyme 2kg again; Earlier enzymolysis 40 minutes under 45 ℃ of temperature was warming up to 125 ℃ with 15 minutes then, 2.5 normal atmosphere maintenances 20 minutes, rapid depressurization then; Be incubated 100 ℃ of oven dry discharging in 2 hours, this moment, moisture was about 40%.
4, after the discharging, treat that temperature drops to below 50 ℃, add the green source life of 0.5% complex microorganism and mix and regulate about moisture to 45% that anaerobically fermenting is 7 days under 20 ℃ of temperature, dry then or dry.
Embodiment 4
1, use the 20kg wheat bran, the 10kg hydrolyzed feather meal adds 1kgH bacterium mixing, adds water to water cut 45%, aerobic fermentation 2 days, activation H bacterium.
2, evenly add the good H bacterium of activation in the 1500kg feather, jar outer banking up carried out fungi degradation in 3 days.
3, feather that fungi degradation is good is transported in the hydrolytic decomposition pot; Feeding intake adds reductive agent 1kg after making an appointment with half, adds prozyme protoenzyme 1kg again; Earlier enzymolysis 40 minutes under 43 ℃ of temperature is warming up to 125 ℃ then about 20 minutes, and 2.5 normal atmosphere kept 20 minutes, then rapid depressurization; Be incubated 100 ℃ of oven dry discharging in 2 hours, this moment, moisture was about 40%.
4, after the discharging, treat that temperature drops to below 50 ℃, add the green source life of 0.5% complex microorganism and mix and regulate about moisture to 45% that anaerobically fermenting is 5 days under 25 ℃ of temperature, dry then or dry.
The feather products nutrient is measured the result
Feather products finished product nutrient of the present invention is measured the result and is seen the following form.
Table 1 feather products and hydrolysis feather nutrient synopsis
The gastric pepsin digestion rate
Complete processing of the present invention is to the influence of feather products digestibility row chart as follows.
Table 2 different treatment method is to the influence of feather meal digestibility
Among Fig. 1, handle 1, be meant feather meal and blood meal mixture without any processing; Handle 2, be meant the hydrolysis feather; Handle 3, be meant feather products of the present invention.
Can know by table 2 and Fig. 1: contrast with feather meal group without any processing; The digestibility of hydrolysis feather group and feather products group of the present invention has improved 8.09%, 37.47% respectively; The digestibility of feather products group of the present invention is compared with the hydrolyzed feather meal group and has been improved 27.19%, and it is best that visible process process method of the present invention is handled the feather products effect that obtains.
That is to say; Treated feather stomach en-external digestion rate obviously is superior to undressed feather meal; And feather products digestibility of the present invention is higher than the feather digestibility of hydrolysis; This mainly be because feather or blood feather through fungi degradation, hydrolysis, enzymolysis, fermentation after total free aminoacids and small peptide increase, thereby help the digestion of feather meal.
Form aminoacids content
Table 3 and Fig. 2 are seen in the influence that complete processing of the present invention is formed aminoacids content to feather products.
| ? | Feather and blood (g/100g) | Hydrolysis feather (g/100g) | Blood feather products (g/100g) |
| Aspartic acid | 5.31 | 5.24 | 5.21 |
| Threonine | 3.58 | 3.56 | 3.45 |
| Serine | 6.90 | 7.24 | 6.72 |
| L-glutamic acid | 8.65 | 8.83 | 8.28 |
| Proline(Pro) | 5.80 | 5.28 | 5.65 |
| Glycocoll | 4.56 | 6.56 | 4.25 |
| L-Ala | 3.84 | 3.56 | 3.79 |
| Gelucystine | 3.23 | 4.89 | 2.90 |
| Xie Ansuan | 5.43 | 5.74 | 5.01 |
| Methionine(Met) | 0.83 | 0.46 | 0.62 |
| Isoleucine | 3.46 | 4.40 | 3.29 |
| Leucine | 6.93 | 7.45 | 6.86 |
| Tyrosine | 2.29 | 2.53 | 2.10 |
| Phenylalanine(Phe) | 3.85 | 3.94 | 3.75 |
| Methionin | 3.02 | 1.72 | 2.72 |
| Histidine | 1.63 | 0.65 | 1.48 |
| L-arginine | 5.00 | 3.57 | 4.80 |
| Tryptophane | / | / | / |
| Add up to | 74.31 | 75.62 | 70.88 |
Table 3 is the different treatment method is formed the influence of aminoacids content to feather a synopsis
Among table 3 and Fig. 2, handle 1, refer to feather meal and blood meal mixture without any processing; Handle 2, refer to the hydrolysis feather; Handle 3, refer to feather products of the present invention.
Like table 3 with shown in Figure 2: bright feather and blood reasonable compatibility, can improve amino acid structure, improve methionine(Met) and lysine content, regulate amino acid balance, handle 1 and obviously be superior to handling 2 groups with the amino acid composition of handling 3.Blood feather products group methionine(Met) wherein of the present invention is compared with hydrolysis feather group with lysine content, has improved 34.78% and 58.13% respectively.
Often because of protein biology value is low, palatability is poor for hydrolyzed feather meal aborning, and amino acid is formed uneven, and the utilization of being limited the quantity of.Aspect the aminoacids content of hydrolyzed feather meal; Methionin, methionine(Met), tryptophane, Histidine are starkly lower than herring meal, but Gelucystine, l-arginine, leucine, Isoleucine, phenylalanine(Phe), Threonine, Xie Ansuan, glycocoll, tyrosine all are higher than herring meal.Top chart can be explained: feather meal and blood meal reasonable compatibility, all the other indispensable amino acids all can obtain nutrition complement except that methionine(Met), can reach better feeding effect if add methionine(Met).
Addition at monogastric animal feed mesoptile goods should be not too high, is controlled at 5%～7% proper.Research shows: the addition of egg, daily ration of broiler mesoptile goods is advisable with 4%; In the growing pig daily ration, be advisable with 3%～5%; Recommended amounts is generally better with 3%～10% in the fish meal; The milk cow consumption should be controlled at below 5%.
Feather products of the present invention through complete processings such as hydrolysis, enzymolysis, fermentations, have obviously improved contents of essential amino acids such as methionine(Met) and Methionin, and this has important meaning for improving amino acid whose utilization ratio.Especially blood feather products of the present invention, amino acid structure obtains balance, can improve the quality of feather products.Can find out that from the data results analysis feather products of the present invention have good application prospects than hydrolyzed feather meal quality better.
Embodiment 5
The blood feather products are used to the Penaeus vannamei of feeding
The table 4 Penaeus vannamei effect comparison table of feeding
With 2: 3 the globulin powder of proportion of composing and the hydrolyzed feather meal compsn of the alternative fully equivalent of blood feather products of the present invention, in basal feed, add by 5%, the Penaeus vannamei of feeding carries out controlled trial, and test was carried out 39 days altogether.Wherein, the test group average growth rate is 1030.0%, and control group is 1050.8%.
| ? | Initial weight (g) | Eventually heavy (g) | Day weight gain (g) |
| Control group | 0.0575 | 0.658489 | 0.01541± 0.000680539 |
| Test group | 0.0575 | 0.640296 | 0.014943± 0.001269092 |
Table 5 feather products are to the influence of Penaeus vannamei day weight gain
Can find out by table 5; Control group and test group day weight gain difference are not remarkable, explain that 2: 3 globulin powder of feather products of the present invention and proportion of composing and hydrolyzed feather meal compsn have identical gaining effect, can substitute interpolation; Thereby the saving cost improves culture benefit.Globulin powder, by 5000 yuan/ton, 2300 yuan/ton of feather meals add at 2: 3, and cost is 3380 yuan/ton, and its production cost of feather products of the present invention is about 2500 yuan, and profit margin is bigger.
Embodiment 6
Blood feather products substituted fish meal is raised carp
The blood feather products that in the basal feed of carp, add different ratios replace the respective amount fish meal, process the particle of diameter 4mm.With the ratio of fish meal be respectively: 0%: 100% (contrast, the 5th group), 25%: 75% (the 4th group), 50%: 50% (the 3rd group), 75%: 25% (the 2nd group), 100%: 0% (the 1st group).Each gradient is established three parallel-group.
1, carp growth and the efficiency of feed utilization when containing different quantities blood feather products of ingesting
In the fs, speed of growth difference not significantly (P＞0.05) when carp ingests DIFFERENT FEED, SGR changes at 1.04%-1.43%, sees table 6.Control group fish meal coefficient is higher than the fish (it is weak that experiment fish in early stage is robbed the food ability) of test group on the contrary.Subordinate phase; The control group fish contains 100.0%, 75.0% and 50.0% fish meal with ingesting; Promptly add the fish of 0.0%, 25.0% and 50.0% blood feather products, SGR is significantly higher than (P＜0.05) and ingests and add the fish of 75.0% and 100.0% blood feather products, and feed coefficient significantly is lower than (P＜0.05) ingest fish of interpolation 75.0% and 100.0% blood feather products; The addition that shows the blood feather products can not be higher than 50%, sees table 7 and table 8.Indicate the MV differences remarkable (P＜0.05) of the same delegation of different digital in the table, annotate: n=20., promptly every group 20 tail fish compares.
The speed of growth and the feed coefficient of fs when table 6 carp ingests DIFFERENT FEED (21-August 20 July)
Subordinate phase when table 7 carp ingests DIFFERENT FEED (21-September 25 August) growth and feed coefficient
The growth and the feed coefficient in first and second stage when table 8 carp ingests DIFFERENT FEED (21-September 25 July)
2, the carp activity of enteron aisle digestive ferment when containing different quantities blood feather products feed of ingesting
The activity of the carp enteron aisle lypase that contains 75.0% and 100% fish-meal of ingesting is significantly higher than other group fishes (P＜0.05) and sees table 9.Carp ingests when containing the feed of 100% fish meal, and diastatic activity is significantly higher than to ingest adds the fish (P＜0.05) of blood feather products feed, and adds between blood feather products group the diastatic activity difference of fish enteron aisle not significantly (P＞0.05).The protease activity of the fish of adding blood feather products feed of ingesting all raises along with the increase of blood feather products addition.Carp ingests blood feather products addition when reaching 75.0% and 100% feed, and protease activities significantly is lower than the fish (P＜0.05) of adding 0%, 25% and 50% blood feather products feed in the enteron aisle.In a word, lypase and amylase activity are lower in the fish enteron aisle that adds blood feather products feed of ingesting, and protease activity is higher.
The ingest activity of enteron aisle digestive ferment when containing different quantities blood feather products feed of table 9 carp
3, the blood feather products are to the influence of immune indexes in the carp blood
The activity of gamma Globulin content and SOD increases (except 4,5 groups) with the increase of fish meal content in the feed in the carp blood; But add between the fish of fish meal group difference not significantly (P＞0.05) in the feed; And be significantly higher than the fish (P＜0.05) of not adding the fish meal group, see table 10.Lysozyme activity reduces with the increase of fish meal content in the feed in the carp blood, but difference not significantly (P＞0.05) is seen table 10.
The table 10 carp immune indexes in the blood when containing different quantities blood feather products feed of ingesting
4, the blood feather products are to the influence of the conventional nutritive ingredient of carp muscle
Carp ingests when not containing the feed of blood feather products, and the moisture content in the muscle is significantly higher than (P＜0.05) when ingesting the feed that contains the blood feather products, sees table 11; Add in the blood feather products feed group, the moisture content difference in the carp muscle is remarkable (P＞0.05) not.3, the crude protein content in 4,5 groups of fish muscle is significantly higher than high 1, the 2 group of fish (P＜0.05) of blood feather products content, shows that blood feather products content does not have remarkably influenced to growth, but content is when high, and protein content may reduce in the muscle; Each content difference of organizing crude fat and coarse ash in the fish muscle is significantly (P＞0.05) not.
The ingest chemical ingredients (%) of muscle when containing different quantities blood feather products feed of table 11 carp
When carp ingests DIFFERENT FEED from the speed of growth, feed coefficient, SGR, it is best to add 5% blood feather products effect,
From carp enteron aisle lypase, glycase, protease activities detects, and lypase and amylase activity are lower in the fish enteron aisle that adds blood feather products feed of ingesting, and protease activity is higher.Through the active detection of gamma Globulin content and SOD in the carp blood, lysozyme activity reduces with the increase of fish meal content in the feed, but difference is not remarkable, and promptly adding the blood feather products can not influence immunizing power.Carp ingests when not containing the feed of blood feather products, and the moisture content in the muscle is significantly higher than to ingest and contains the feed of blood feather products; When adding blood feather products feed, the moisture content in the carp muscle obviously reduces, and adding the blood feather products does not have remarkably influenced to growth, but blood feather products content is when high, and protein content may reduce in the muscle; It is little to crude fat and coarse ash influence in the fish muscle to add the blood feather products.Fish meal with blood feather products of the present invention alternative 50% adds in the aquatic feeds, can obviously promote the speed of growth of fish, reduces feed coefficient, reduces production costs.
Comprehensive above embodiment can find out; Feather products of the present invention; After art breading such as enzymolysis, fermentation and hydrolysis, still be the culture experiment result no matter from detecting index, can be used as a kind of protein-high raw material fully adds in the feed with suitable proportion; Reduce production costs, improve proteinic utilization ratio in the feather.
Claims (4)
1. feather products working method is characterized in that: with activatory H bacterium fermentation blood feather, through enzymolysis, hydrolysis treatment with the complex microorganism anaerobically fermenting, makes finished product again,
Comprise the following steps:
A, the activation of H bacterium:, add water to water cut 45%, aerobic fermentation 2 days with wheat bran, hydrolyzed feather meal and H bacterium mixing in proportion;
B, the fermentation of H bacterium: evenly add a last step gained raw material in the blood feather of 1500 times of H bacterium weight, bank up and carried out fungi degradation in 3 days;
C, feather that above-mentioned fungi degradation is good are transported in the hydrolytic decomposition pot; Feeding intake adds reductive agent after making an appointment with half, adds the prozyme protoenzyme again, and reductive agent, prozyme protoenzyme are identical with the weight of H bacterium among the step a; Earlier enzymolysis 40 minutes under 40-45 ℃ of temperature was warming up to 125 ℃ then in 15-25 minute, and 2.5 normal atmosphere keep after 20 minutes rapid depressurization; Be incubated 100 ℃ of oven dry, moisture was discharging in 40% o'clock;
After d, the discharging, treat that temperature drops to below 50 ℃, add the complex microorganism of 0.5% weight part, mix and regulate moisture to 45%; Under 20-30 ℃ of temperature anaerobically fermenting 4-7 days, dry then or dry;
Wherein, the weight ratio of wheat bran, hydrolyzed feather meal and H bacterium is 20: 10: 1 in a step, blood feather described in the b step, and blood is identical with the weight of feather;
Said reductive agent is a Sodium Pyrosulfite;
Said H bacterium, prozyme protoenzyme, complex microorganism provide with the agriculture and animal husbandry Technology Park by six, and be commercially available.
2. feather products is characterized in that: application rights requires 1 described working method and the raw material that relates to makes.
3. with the described feather products of claim 2 be used for the feeding purposes of Penaeus vannamei.
4. the described feather products of claim 2 are used for the purposes of feeding carp.
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| CN102696863B (en) * | 2012-07-04 | 2013-06-05 | 天津科技大学 | Method for preparing feather meal additive via mixed solid-state fermentation |
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2007
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| CN1537445A (en) * | 2003-09-22 | 2004-10-20 | 湖南师范大学 | Method for producing forage protein contg. blood powder |
Non-Patent Citations (3)
| Title |
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| 何武顺.饲用羽毛粉的加工方法.《粮食与饲料工业》.2001,(第2期), * |
| 崔艳红等.羽毛粉酶法水解工艺条件优化的研究.《贵州农业科学》.2007,第35卷(第3期), * |
| 裴敏雅等.复合酶降解羽毛粉的研究效果.《福州大学学报（自然科学版）》.2007,第35卷(第1期), * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11815311B2 (en) | 2019-03-14 | 2023-11-14 | Terumo Bct Biotechnologies, Llc | Lyophilization container fill fixture, system and method of use |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101285086A (en) | 2008-10-15 |
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